66436354070 has 32 divisors (see below), whose sum is σ = 122403964320. Its totient is φ = 25948581120.

The previous prime is 66436354051. The next prime is 66436354157. The reversal of 66436354070 is 7045363466.

It is a super-2 number, since 2×66436354070² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495580 + ... + 1539360.

It is an arithmetic number, because the mean of its divisors is an integer number (3825123885).

Almost surely, 2^66436354070 is an apocalyptic number.

66436354070 is a deficient number, since it is larger than the sum of its proper divisors (55967610250).

66436354070 is a wasteful number, since it uses less digits than its factorization.

66436354070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47360.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 66436354070 in words is "sixty-six billion, four hundred thirty-six million, three hundred fifty-four thousand, seventy".